Drs. John Greist, James Jefferson and David Katzelnick are recognized nationally and internationally for their contributions to medical research focused primarily on the psychopharmacology of mood and anxiety disorders, behavior therapy, computer applications in clinical medicine and population-based effectiveness studies.

Each physician holds a clinical faculty appointment at the University of Wisconsin School of Medicine. Their goal is to help advance the frontiers of medicine and improve the quality of life for those coping with medical conditions.